1 /* 2 * Copyright (c) 1992 OMRON Corporation. 3 * Copyright (c) 1992, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * OMRON Corporation. 8 * 9 * %sccs.include.redist.c% 10 * 11 * @(#)parse.c 8.1 (Berkeley) 06/10/93 12 */ 13 14 /* 15 * parse.c -- command parser 16 * by A.Fujita, JAN-30-1992 17 */ 18 19 #include <luna68k/stand/status.h> 20 21 /* for scsi.c */ 22 23 int scsi(); 24 25 /* for disklabel.c */ 26 27 int disklabel(); 28 29 /* for boot.c */ 30 31 int boot(); 32 33 int load(); 34 35 int how_to_boot(); 36 37 /* for tape.c */ 38 39 int tape(); 40 41 /* for fsdump.c */ 42 43 int fsdump(); 44 int fsrestore(); 45 46 /* for screen.c */ 47 48 int screen(); 49 50 int 51 check_args(argc, argv) 52 int argc; 53 char *argv[]; 54 { 55 register int i; 56 57 for ( i = 0; i < argc; i++) 58 printf("argv[%d] = \"%s\"\n", i, argv[i]); 59 60 return(ST_NORMAL); 61 } 62 63 int 64 exit_program(argc, argv) 65 int argc; 66 char *argv[]; 67 { 68 return(ST_EXIT); 69 } 70 71 struct command_entry { 72 char *name; 73 int (*func)(); 74 }; 75 76 struct command_entry entries[] = { 77 { "b", boot }, 78 { "boot", boot }, 79 { "chkargs", check_args }, 80 { "disklabel", disklabel }, 81 { "exit", exit_program }, 82 { "fsdump", fsdump }, 83 { "fsrestore", fsrestore }, 84 { "howto", how_to_boot }, 85 { "load", load }, 86 { "screen", screen }, 87 { "tape", tape }, 88 { "tp", tape }, 89 { "scsi", scsi }, 90 { "quit", exit_program }, 91 { 0, 0 } 92 }; 93 94 95 int 96 parse(argc, argv) 97 int argc; 98 char *argv[]; 99 { 100 register int i, status = ST_NOTFOUND; 101 102 for (i = 0; entries[i].name != (char *) 0; i++) { 103 if (!strcmp(argv[0], entries[i].name)) { 104 status = (*entries[i].func)(argc, argv); 105 break; 106 } 107 } 108 109 return(status); 110 } 111 112 113 114 /* 115 * getargs -- make argument arrays 116 */ 117 118 getargs(buffer, argv, maxargs) 119 char buffer[], *argv[]; 120 int maxargs; 121 { 122 register int n = 0; 123 register char *p = buffer; 124 125 argv[n++] = p; 126 while (*p != '\0') { 127 if ( *p == ' ' ) { 128 *p = '\0'; 129 } else if (p != buffer && *(p-1) == '\0') { 130 if ( n < maxargs ) 131 argv[n++] = p; 132 } 133 p++; 134 } 135 136 return(n); 137 } 138